22254553205425 has 36 divisors (see below), whose sum is σ = 29624664452580. Its totient is φ = 16526828482560.

The previous prime is 22254553205407. The next prime is 22254553205429. The reversal of 22254553205425 is 52450235545222.

It can be written as a sum of positive squares in 18 ways, for example, as 14622616546209 + 7631936659216 = 3823953^2 + 2762596^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22254553205425 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22254553205429) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2648260 + ... + 7177909.

It is an arithmetic number, because the mean of its divisors is an integer number (822907345905).

Almost surely, 2^{22254553205425} is an apocalyptic number.

22254553205425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22254553205425 is a deficient number, since it is larger than the sum of its proper divisors (7370111247155).

22254553205425 is an equidigital number, since it uses as much as digits as its factorization.

22254553205425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826342 (or 9826264 counting only the distinct ones).

The product of its (nonzero) digits is 4800000, while the sum is 46.

The spelling of 22254553205425 in words is "twenty-two trillion, two hundred fifty-four billion, five hundred fifty-three million, two hundred five thousand, four hundred twenty-five".